DURAJ, Tomasz (ED.). Introduction into the international research project “In Search of a Legal Model of Self-Employment in Poland A Comparative Legal Analysis” – part II. In: (ed.). In Search of a Legal Model of Self-Employment in Poland: A Comparative Legal Analysis. Part II. LawPoland: Lodz University Press,2024. p. 7–9. DOI: 10.18778/8331-526-3.01. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1019/chapter/2855. Acesso em: 15 feb. 2026.